JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 354, no. 27, page. 3107 - 3112, 2008-06-01
JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 353, no. 16-17, page. 1665 - 1669, 2007-06-01
JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 353, no. 13-15, page. 1350 - 1353, 2007-05-15
JOURNAL OF APPLIED PHYSICS, vol. 97, no. 8, 2005-04-15
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 87, no. 10, page. 1903 - 1906, 2004-10
CHEMICAL PHYSICS LETTERS, vol. 384, no. 1-3, page. 16 - 19, 2004-01-19
JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 316, no. 2-3, page. 302 - 308, 2003-02
JOURNAL OF APPLIED PHYSICS, vol. 88, no. 5, page. 2515 - 2518, 2000-09-01